Multilingual learning is ready for competitive exam preparation.
Permanent question page

Uppsc Previous Year Mcqs question with answer

Read, practise, and share this question using its permanent link.

Question #151,722
Uppsc Previous Year Mcqs English MCQ U.P.P.C.S. (Pre) 2025

Q.With reference to isotopes, which of the following statement(s) is/are correct? 1. Atoms having the same atomic number but S different atomic masses are called isotopes. 2. Protium, deuterium and tritium are isotopes of carbon. Choose the correct answer using the code given below: Code: